APA citiranje

Hughes, J. A., Tobin, M. J., Bellamy, D., & Hutchison, D. C. (1982). Effects of ipratropium bromide and fenoterol aerosols in pulmonary emphysema.

Citação norma Chicago

Hughes, J A., M J. Tobin, D. Bellamy, and D C. Hutchison. Effects of Ipratropium Bromide and Fenoterol Aerosols in Pulmonary Emphysema. 1982.

MLA citiranje

Hughes, J A., M J. Tobin, D. Bellamy, and D C. Hutchison. Effects of Ipratropium Bromide and Fenoterol Aerosols in Pulmonary Emphysema. 1982.